IMHO.

Single-player games like Slime Wars

Below are 9 single-player Steam games similar to Slime Wars, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Slime Wars page.

Ranked picks

  1. 1
    Brave Meow World — Steam game cover

    Brave Meow World

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Strategy and Casual with Slime Wars.

    A lightweight strategy game about controlling cat soldiers to defeat enemies and defend the base

    StrategyIndieAdventureSingle-playerSimilar games →
  2. 2
    Scarecropia — Steam game cover

    Scarecropia

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.

    Here is Scarecropia! Lead at most 400 people to build a settlement. Arm your village to fight against the Goblin army, or invest limited resources in yourself to become unparalleled! Take every cost to survive!

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  3. 3
    DOTS VS PIXELS — Steam game cover

    DOTS VS PIXELS

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.

    POINT CLOUDS HAVE INVADED YOUR FAVORITE PIXEL ART APP. Up to 1,000,000,000,000 dots flow like a fluid, hunt your core and chew through everything you paint. Your only power: the pencil. Draw walls, survive the siege, unlock broken builds. BUILD. RESIST. OVERFLOW.

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Field & Sky — Steam game cover

    Field & Sky

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Strategy and Casual with Slime Wars.

    Field & Sky is a realistic open-world homestead builder where you inherit family land and shape it into a thriving rural property. Build farms, raise livestock, connect to a nearby town, and explore your land from above or at ground level at your own pace.

    StrategyAdventureRPGSingle-playerSimilar games →
  5. 5
    Templar Castle Builder — Steam game cover

    Templar Castle Builder

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.

    Besiege and conquer the castles and towns of your enemies. Build siege machines and train your army to assault the fortified cities but do not neglect your defence system. Change the course of history, and do not let the Templar Order fall.

    ActionStrategyAdventureSingle-playerSimilar games →
  6. 6
    Attack on Toys — Steam game cover

    Attack on Toys

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.

    Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!

    2021ActionStrategyIndie6.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Medieval Kingdom Wars — Steam game cover

    Medieval Kingdom Wars

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.

    Rewrite medieval history through bloody siege combat in a fusion of RTS and Grand Strategy genres. Rule, build, and serve your King as a minor lord in medieval Europe. Experience siege, field and naval combat with an unseen degree of brutality. Rogue-like progression, epic towns and battles await…

    2019ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Stronghold: Definitive Edition — Steam game cover

    Stronghold: Definitive Edition

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Strategy with Slime Wars.

    Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.

    2023StrategySimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Winter is here — Steam game cover

    Winter is here

    Single-player alternative to Slime Wars — playable solo, no multiplayer required. Shares Action and Strategy with Slime Wars.

    Build the camp by day, hold the keep by night. A top-down tower defence and base builder in a frozen, emptied-out world. Single player.

    ActionStrategyIndieSingle-playerSimilar games →